March 3 (Reuters) - Macmahon Holdings Ltd MAH.AX
* Cimic has declared that its offer will not be extended and offer price will not be increased
* Cimic said that it will not increase its offer price, despite independent expert concluding that its offer is neither fair nor reasonable
* Refers to unconditional takeover offer by a subsidiary of Cimic Group Limited Source text for Eikon: ID:nASX4wM3C4 Further company coverage: MAH.AX